(Single Best Answer) Question 81: Long QT3 syndrome is caused by an abnormal gene involving which of the following ion channels ?
A) Sodium B) Potassium C) Calcium D) Chloride Answer (Select an option above to get the answer):
(Single Best Answer) Question 82: Regarding DiGeorge syndrome 1. It is caused by microdeletion of the chromosomal region 22q11.2 2. It is associated with conotruncal heart defects 3. It is associated with cleft palate 4. It is associated with hyperparathyroidism
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
(Single Best Answer) Question 83: Which one of the following is a poor prognosis factor in patients of pulmonary artery hypertension ?
A) Functional class-II B) Recurrent syncope C) Resting systolic blood pressure < 120 mm Hg D) 6 min walking distance < 500 m Answer (Select an option above to get the answer):
A) Takayasu arteritis B) Giant cell arteritis C) Idiopathic aortitis D) Polyarteritis nodosa Answer (Select an option above to get the answer):
(Single Best Answer) Question 85: Which of the following statments is / are true regarding isolated diastolic hypertension seen in the middel age group (30 - 50 years)? 1. It is associated with weight gain 2. It remains isolated for long periods of time. 3. It has a bening prognosis. 4. It usually resolves spontaneously usually.
A) Only 1, 2 and 3 are correct B) Only 1 and 3 are correct C) Only 2 and 4 are correct D) Only 4 is correct Answer (Select an option above to get the answer):
(Single Best Answer) Question 86: A 35 year old female patient presents with sudden onset of severe shortness of breath. Her previous medical history is unremarkable excpet for the use of oral contraceptives. On examination cardiac and pulmonary findings are unremarkable except for tachycardia and tachypnea. Which one of the following investigations would be most useful to exclude pulmonary embolism in this patient ?
A) Normal echocardiography B) Normal PaO2 by arterial blood gas determination C) Intermediate probability radionuclide perfusion scintigraphy D) Normal plasma level of d-dimer by ELISA Answer (Select an option above to get the answer):
(Single Best Answer) Question 87: Regarding management of pulmonary hypertension: Assertion: Prostacycln is used in the management of idiopathic pulmonary artery hypertension.
Reason: Prostacyclin stimulates platelet function and vascular smooth muscle proliferation.
A) Both Assertion and Reason are true, and Reason is the correct explanation for Assertion B) Both Assertion and Reason are true, and Reason is not the correct explanation for Assertion C) Assertion is true, but Reason is false D) Assertion is false, but Reason is true Answer (Select an option above to get the answer):
A) Atrioventricular canal defect B) Transposition of Great Arteries C) Mitral Valve Prolapse D) Pulmonary Stenosis Answer (Select an option above to get the answer):